# tabDo! vs Rechnen mit Köpfchen

The clearest difference is review sentiment: Rechnen mit Köpfchen at 100% against tabDo!'s 83%. Rechnen mit Köpfchen also leads on price ($1.99 vs $3.99). tabDo!'s advantage is device support (3 vs 1) and iOS requirement (11.0 vs 13.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

tabDo! costs $3.99 and Rechnen mit Köpfchen $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | tabDo! | Rechnen mit Köpfchen |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Helbling Verlagsgesellschaft m.b.H](https://appshunter.io/developer/1069879136) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### tabDo!

[App page](https://appshunter.io/ios/app/tabdo/id1488439711)

This app offers an innovative method for learning music fundamentals like notes and scales through interactive exercises on tablets. It helps children develop an ear for music by playing, modifying, and improvising melodies, progressing from basic motifs to chromatic scales and note reading.

**Highlights:** Develops audiation skills, Trains music listening competencies, Enhances individualized learning, Introduces musical notation, Promotes music-making, Multiple interactive functions

**Features:** Vision Pro support

**In-app purchases:** none


### Rechnen mit Köpfchen

[App page](https://appshunter.io/ios/app/rechnen-mit-kopfchen/id1547091937)

This app helps children discover mathematical relationships and develop calculation strategies. It focuses on understanding how different problems connect and how to use these connections for efficient calculation, rather than just finding answers. It's designed to foster a deeper understanding of math beyond simple counting.

**Highlights:** Discover mathematical relationships, Develop calculation strategies, Understand problem connections, Explore innovative task formats, Adjustable difficulty levels, Suitable for grades 1-4

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is tabDo! free?

tabDo! costs $3.99, with no in-app purchases.

### Is Rechnen mit Köpfchen free?

Rechnen mit Köpfchen costs $1.99, with no in-app purchases.

### Do tabDo! or Rechnen mit Köpfchen have ads?

Neither tabDo! nor Rechnen mit Köpfchen shows ads.

### Which is updated more often, tabDo! or Rechnen mit Köpfchen?

tabDo! ships an update every 6 months, and Rechnen mit Köpfchen every 6 months. Most recently, tabDo! was updated on October 2, 2026 and Rechnen mit Köpfchen on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*